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Gas detection device for GIS chamber

A detection device and gas technology, applied in the field of gas detection, can solve problems such as inability to guarantee, and achieve the effect of anti-skid appearance

Pending Publication Date: 2019-12-06
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method cannot guarantee that the surrounding harmful gas can be controlled within a safe range when the personnel enter the room and work for a long time.

Method used

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  • Gas detection device for GIS chamber

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Embodiment Construction

[0029] The accompanying drawings are for illustrative purposes only and cannot be construed as limiting the patent;

[0030] In order to better illustrate this embodiment, some parts in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product;

[0031] For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings.

[0032] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] Such as figure 1 As shown, a gas detection device for GIS room, including shielding cover, MSP430F5, analog-to-digital conversion module, 7NE / SF6-500P, LCD display, TF card, temperature sensor, humidity sensor, sound alarm module, rechargeable battery and charging circuit, where,

[0034] 7NE / SF6-500P is set on the inner side of the shielding cover, the detection port of 7NE / SF6-500P ...

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Abstract

The invention discloses a gas detection device for a GIS chamber. The device comprises a shielding case, a micro-processing chip, an analog-to-digital conversion module, a sulfur hexafluoride sensor and a display module, wherein the sulfur hexafluoride sensor is arranged on an inner side of the shielding case, a detection port of the sulfur hexafluoride sensor is arranged on an outer side of the shielding case, an output end of the sulfur hexafluoride sensor is electrically connected with an input end of the analog-to-digital conversion module, the analog-to-digital conversion module is arranged on an inner side of the shielding case, an output end of the analog-to-digital conversion module is electrically connected with a first input end of the micro-processing chip, the micro-processingchip is arranged on the inner side of the shielding case, a first output end of the micro-processing chip is electrically connected with an input end of the display module, and the display module is arranged on the outer side of the shielding case and fixedly connected with the shielding case. The device is advantaged in that the sulfur hexafluoride gas concentration in the GIS can be detected inreal time, and if the sulfur hexafluoride gas concentration exceeds a threshold value, a sound alarm is given to remind a worker.

Description

technical field [0001] The invention relates to the field of gas detection, and more specifically, to a gas detection device for a GIS room. Background technique [0002] The full name of GIS is gas insulated fully enclosed combined electrical appliance, which is an important equipment in the power system. Because of its high sealing performance, it is widely used. The GIS cavity is filled with sulfur hexafluoride gas. Sulfur hexafluoride gas itself is not toxic, but it will decompose a variety of harmful and combustible gases (such as carbon monoxide, acetylene, methane, etc.) under high temperature and discharge conditions. Generally, GIS equipment is installed in a closed room, and electrical test and inspection personnel will conduct periodic surveys and tests on the GIS room. If a gas leak occurs, it may lead to catastrophic consequences in a sealed environment. The current GIS room is equipped with a hair dryer, and personnel need to ventilate for a period of time be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
CPCG01N33/0063
Inventor 唐琪
Owner GUANGDONG POWER GRID CO LTD
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